查查词典就知道了嘛.
n.
1.浪费;滥用[U][S][(+of)]
Doing such a job is a waste of his talents.
做这种工作是在浪费他的才能.
2.废(弃)物;废料[U][P1],排泄物
A lot of poisonous waste from the chemical works polluted the river.
化工厂的许多有毒废料污染这条河.
3.荒地,荒野[P1]
Few animals can exist in the frozen wastes of the Arctic.
几乎没有动物能在北极洲冰封的荒芜地区生存.
4.一大片[S]
5.消耗,损耗;毁坏[U]
6.忽略不用,错过[U]